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Beryl Var Aquamarine

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LGM500502

Beryl Var Aquamarine

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Sherlova Gora, Adun-Cholon, Nerchinsk, Chitinskaya Oblast, Zabaykalsky Krai, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 6.5 × 2.5 cm
Largest Crystal: 
4.20cm
Weight: 
77.00gr
Description

Greenish to yellowish aquamarine crystals and black tourmaline in-grown in matrix. A typical Sherlova Gora, also known as "Nerchinsk" matrix specimen.

Comes with nice old Dr. F. Krantz pen and ink label dated around or before 1902. Background: In June 1901, due to passing of some resolutions in the context of a reform of german orthography, the spelling of german "Contor" (branch office) was altered to "Kontor".

Mineral Data
What's on the rock

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Crystal System: 
Hexagonal
Hardness: 
7.5 - 8.0
Streak: 
White

Aquamarine

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Formula: 
Be3Al2Si6O18
Hardness: 
0.0
Colour: 
Blue
Streak: 
White

Seller Information

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